drm/amdgpu: flush the HDP only once for CPU based VM updates

No need to do this after every single update.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2017-07-11 17:23:29 +02:00 • committed by Alex Deucher
commit 68c62306b3